Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"duy tan trac snippets" » "duy toan trac snippets", "duy tan tran snippets", "duy tap trac snippets", "duy tuan trac snippets", "duc tan trac snippets", "duy van trac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("duy tan trac snippets"))) or ("locating bug core snippets"))~.
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